Phentermine works wonders at eliminating appetite. You will have to remind your self to eat something, like a very clean calorie RTD every 3-4 hours or else you will have no desire to eat at all. Cannot starve yourself even for a day but it's nice to be a able to eat clean and have to force yourself to do even that ... andjust to maintain a positive nitrogen balance. You can cut 1000 calories per day easily taking phentermine. Just remember it's a stimulant so beware you don;t engage in too many meaningless conversations with people/strangers because you'll be taking a mile a minute.
Or ECA stack one day followed in between days with clenbuterol.
hGH helps in this regard also if you can get it.